If you see Windows Update error 0x80240016 or 80240016 while trying to install updates, it typically means that another installation is in progress. There are a couple methods you can try to resolve the error.
Download and run the Windows Update troubleshooter, then open Windows Update and try to install the updates again.
Restart your PC, and then open Windows Update and try to install the updates again.
If you continue to see this error, you might be able to search for help from other people who use Windows at the Microsoft Community
Error 80240016 indicates that Windows Update can't use the user token. The user token contains the basic credentials that Windows Update needs to update your computer on your behalf without requiring you to sign in every time. This error can occur if you're running your computer for long periods without restarting and the token expires. It might also occur when Automatic Update is running in the background and Windows Update is run in the foreground. Starting and stopping the Automatic Update service will reset the service and acquire the token again, which is what the Windows Update troubleshooter can do.
Error codes this applies to:
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